/*
 * JGrass - Free Open Source Java GIS http://www.jgrass.org 
 * (C) HydroloGIS - www.hydrologis.com 
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package eu.hydrologis.jgrass.operations.jai.pitfiller;

import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import java.awt.image.renderable.RenderedImageFactory;
import java.io.PrintStream;

import javax.media.jai.ImageLayout;

/**
 * The Horton Machine Pitfiller algorithm RIF.
 * 
 * @author Andrea Antonello (www.hydrologis.com)
 *
 */
public class HMPitfillerRIF implements RenderedImageFactory {

    public RenderedImage create( ParameterBlock paramBlock, RenderingHints hints ) {

        RenderedImage elevationImage = paramBlock.getRenderedSource(0);
        double xRes = paramBlock.getDoubleParameter(0);
        double yRes = paramBlock.getDoubleParameter(1);
        PrintStream out = (PrintStream) paramBlock.getObjectParameter(2);

        return new HMPitfillerOperation(elevationImage, new ImageLayout(), xRes, yRes, out);
    }

}
